A long cylindrical shell has inner radii `R_(1)` and outer radius `R_(2)`. It carries current I uniformly distributed over its cross - seciton. A wire is placed in the hollow region parallel to the cylindrical axis. For given situation mark the correct statement(s) -

A long thick conducting cylinder of radius 'R' carries a current uniformly distributed over its cross section :

A cylindrical long wire of radius R carries a current I uniformly distributed over the cross sectionasl area of the wire. The magnetic field at a distasnce x from the surface inside the wire is

A long cylindrical wire carries a steady current which is uniformly distributed across its cross section. Which of the following is true?

A long, straight wire of radius R carries a current distributed uniformly over its cross section. The magnitude of the magnetic field is

A hollow cylindrical conductor of inner radius a and outer radius b carries a current I uniformly spread over its cross-section. Find the magnetic field induction at a point inside the body of the conductor at a distance r [where a lt r lt b ] from the axis of the cylinder.

A uniform current I is flowing in a long wire of radius R . If the current is uniformly distributed across the cross-sectional area of the wire, then

A metallic spherical shell has an inner radius R_(1) and outer radius R_(2) . A charge is placed at the centre of the spherical cavity. The surface charge density on the inner surface is

A long, cylindrical wire of radius b carries a current i distributed uniformly over its cross section. Find the magnitude of the magnetic field at a point inside the wire at a distance a from the axis.

A long straight solid metal wire of radius R carries a current I, uniformly distributed over its circular cross-section. Find the magnetic field at a distance r from axis of wire (i) inside and (ii) outside the wire.

A long straight solid metal rod of radius 4cm carries a current 2A , uniformly distributed over its circular cross-section. Find the magnetic field induction at a distance 3cm from the axis of the wire.